A polynomial function of degree 5 crosses the x-axis 3 times and crosses the y- axis once. Which statement is true? The polynomial function has 5 roots, and all 5 of the roots are real numbers.
The polynomial function has 5 roots, and none of the roots are real numbers.
The polynomial function has 5 roots, but only 3 of the roots are real numbers.
The polynomial function has 5 roots, but 4 of the roots are real numbers.

Which interval for the graphed function contains the local maximum? [–3, –2] [–2, 0] [0, 2] [2, 4]

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?